The ka of hydrocyanic acid (hcn) is 4.9 × 10−10. what is the kb of cn− ?

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4